Osnovy teorii Galua.

124

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Hccap-ayem, pa3peWJHMIO JIB ypaB~etiie
(3.12) f(x) ~x6+a~X4+a2X3+a3~y2 a4X~ab=O0.
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(3.13) V xGxl + xIX2 ~ X2X3 + X3X4 + X4X0.
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M~OWH~O 3anHcaTb Talc:
f (z + )-fl(z) =~1